Laminar flow cover with high sealing performance

Abstract

The utility model discloses a high-sealing-performance laminar flow hood, and relates to the technical field of laminar flow hoods. Comprising a laminar flow cover body, the laminar flow cover body comprises a shell, a fixing frame, a flow equalizing film and a sealing assembly, at least two fans are fixedly connected in the fixing frame, the fixing frame is detachably connected with the shell, a plurality of air inlets are formed in one side of the shell, an air outlet is formed in the bottom of the shell, the flow equalizing film is arranged at the air outlet, and the flow equalizing film is detachably connected with the shell. At least one part of the sealing assembly is fixedly connected with the fixing frame, the sealing assembly is arranged, the sealing ring is fixedly connected to the fixing frame in an annular mode, and the sealing assembly is made of silicon rubber materials, so that the connection sealing performance between the shell and the fixing frame is further improved, and the purification effect of the laminar flow hood is ensured; the disassembly process is simple and fast, a fan or a wind pressure meter can be conveniently overhauled, the overhaul time is greatly shortened, the whole assembly and disassembly process of the laminar flow hood is easy to operate, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laminar flow hood technical field more specifically, it relates to a high sealing laminar flow hood. BACKGROUND

[0002] In modern industrial production, especially in some higher air cleanliness requirement fields, such as electronics, pharmaceutical, food processing and other industries, laminar flow hood as a kind of local purification equipment has been widely used. However, the existing laminar flow hood has some problems in use.

[0003] The fixed frame is welded with the shell in the traditional laminar flow hood, so that it has good sealing performance, but when the device in the laminar flow hood fails, it is extremely inconvenient to overhaul, and it needs to consume more manpower and material resources to disassemble, and the working efficiency is low. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model aims at providing a high sealing laminar flow hood, which realizes the technical purpose of facilitating people to overhaul the laminar flow hood and improving working efficiency by adopting a detachable sealing assembly.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a high sealing laminar flow hood, comprising a laminar flow hood body, the laminar flow hood body comprises a shell, a fixed frame, a flow equalizing film and a sealing assembly, at least two fans are fixedly connected on the fixed frame, the fixed frame is detachably connected with the shell, a plurality of air inlets are formed on one side of the shell, an air outlet is arranged at the bottom of the shell, the flow equalizing film is arranged at the air outlet, and the flow equalizing film is detachably connected with the shell, and at least a part of the sealing assembly is fixedly connected with the fixed frame.

[0006] The utility model is further provided as follows: the sealing assembly comprises a sealing ring and a fixing assembly, the sealing ring is annularly fixedly connected on the fixed frame, the fixing assembly is arranged below the sealing ring, the fixing assembly is provided with a plurality of fixing blocks, a plurality of through cavities are formed on the fixed frame, an inner wall of the shell is provided with a plurality of accommodating cavities, each fixing block is detachably connected with the accommodating cavity through the through cavity, and a rectangular through slot is formed in the bottom of the accommodating cavity.

[0007] The utility model is further provided as follows: the fixing assembly comprises a fixing block and a limiting block, a T-shaped through slot is formed in the fixing block, a limiting slot is formed in the T-shaped through slot, the limiting block can be inserted into the limiting slot from the bottom of the T-shaped through slot, the limiting block is composed of a cuboid, a cylinder and a handle, and the cylinder is fixedly connected between the cuboid and the handle.

[0008] The utility model is further provided as follows: a T-shaped protruding block is arranged in each through cavity, and the T-shaped protruding block can pass through the T-shaped through slot.

[0009] The utility model further sets up: a plurality of rectangular limit holes are opened on the current -sharing film, the rectangular limit hole is corresponding with fixed assembly one, when installing, the limit block first passes through the rectangular limit hole and then inserts into the fixed block.

[0010] The utility model further sets up: one side of the shell is equipped with the air pressure table.

[0011] In conclusion, the utility model has the following beneficial effects: through being provided with the sealing assembly, the sealing ring is fixedly connected on the fixed frame in annular, adopts silicon rubber material, is suitable for different industrial fields, further improves the connection sealing property between the shell and fixed frame, ensures the purification effect of laminar flow cover, through the unique fixed assembly design, makes the dismounting process simple and quick, is convenient to overhaul fan or air pressure table, greatly shortens the overhaul time, is favorable to quick recovery production, the whole laminar flow cover's installation and dismounting process operation is simple, need not complex tool and professional skill, ordinary staff can easily complete, improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic view of the utility model;

[0013] Figure 2 It is the utility model's explosion drawing;

[0014] Figure 3 It is the fixed assembly structure schematic view of the utility model.

[0015] In the drawing: 1, laminar flow cover body;2, shell;3, fixed frame;4, current -sharing film;5, sealing assembly;6, fan;7, air inlet;8, air outlet;9, sealing ring;10, fixed assembly;11, through cavity;12, containing cavity;13, rectangular through slot;14, fixed block;15, limit block;16, T-shaped through slot;17, limit slot;18, cuboid;19, cylinder;20, handle;21, T-shaped lug;22, air pressure table. DETAILED DESCRIPTION

[0016] The utility model is described in detail below in combination with the drawings and examples.

[0017] The utility model discloses a high sealing laminar flow cover, like Figure 1 、 Figure 2As shown, including the laminar flow hood body 1, the laminar flow hood body 1 includes a shell 2, fixed frame 3, uniform flow film 4 and sealing assembly 5, fixedly connected with at least two fans 6 in the fixed frame 3, the fixed frame 3 and the shell 2 can be detachably connected, the shell 2 side is provided with a plurality of air inlet 7, the bottom of the shell 2 is provided with air outlet 8, the uniform flow film 4 is arranged at the air outlet 8, and the uniform flow film 4 is detachably connected with the shell 2, one side of the shell 2 is provided with a wind pressure table 22, the wind pressure table 22 can clearly detect the air inlet, so as to judge whether the laminar flow hood works normally, at least a part of the sealing assembly 5 is fixedly connected with the fixed frame 3, the sealing assembly 5 includes a sealing ring 9 and a fixed assembly 10, the sealing ring 9 is fixedly connected on the fixed frame 3 in the form of ring, the sealing ring 9 is located above the fixed assembly 10, the sealing ring 9 of silicone rubber material can further improve the connectivity between the shell 2 and the fixed frame 3, and the silicone rubber has good resistance to a variety of chemicals, including acid, alkali, organic solvent and the like, which can be reliably sealed in various chemical environments, and is suitable for different industrial fields, the fixed assembly 10 is provided with a plurality of, the fixed frame 3 is provided with a plurality of through cavities 11, the through cavity 11 is provided with a T-shaped lug 21, the T-shaped lug 21 can assist the fixed assembly 10 to be inserted into the through cavity 11, and the stability is improved, a plurality of accommodating cavities 12 are opened on the inner wall of the shell 2, and each fixed assembly 10 is detachably connected with the accommodating cavity 12 through the through cavity 11.

[0018] As Figure 1 、 Figure 2 、 Figure 3 As shown, the fixed assembly 10 includes a fixed block 14 and a limiting block 15, the fixed block 14 is provided with a T-shaped through groove 16, the T-shaped through groove 16 is provided with a limiting groove 17, the limiting block 15 can be inserted into the limiting groove 17 from the bottom of the T-shaped through groove 16 and rotated by 90 degrees, so as to limit the fixed frame 3 from moving, the limiting block 15 is composed of a cuboid 18, a cylinder 19 and a handle 20, the height of the cuboid 18 is greater than the height of the top of the T-shaped through groove 16, so that when the limiting block 15 is rotated, the fixed block 14 cannot be directly separated from the limiting block 15, and the existence of the limiting block 15 ensures that the fixed block 14 can be stably installed in the accommodating cavity 12, the bottom of the accommodating cavity 12 is provided with a rectangular through groove 13, the uniform flow film 4 is provided with a plurality of rectangular limiting holes, the rectangular limiting holes correspond to the fixed assembly 10 one by one, during installation, the limiting block 15 passes through the rectangular limiting hole and then passes through the rectangular through groove 13, and then is inserted into the fixed block 14.

[0019] Working principle: when the device in the laminar flow hood needs to be repaired due to damage, first, rotate the handle 20 to make the limiting block 15 rotate by 90 degrees, then align the rectangular limiting hole on the uniform flow film 4 with the limiting block 15, and then detach the uniform flow film 4, then push the limiting block 15 to one side, which facilitates the user to separate the fixed block 14 from the through cavity 11, and finally separate the fixed frame 3 from the shell 2 to repair the fan 6 or the wind pressure table 22.

[0020] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A high containment laminar flow hood characterized by: The application relates to a laminar flow hood body (1) which comprises an outer shell (2), a fixed frame (3), a flow equalizing film (4) and a sealing assembly (5), at least two fans (6) are fixedly connected to the fixed frame (3), the fixed frame (3) is detachably connected with the outer shell (2), a plurality of air inlets (7) are formed in one side of the outer shell (2), an air outlet (8) is arranged at the bottom of the outer shell (2), the flow equalizing film (4) is arranged at the air outlet (8) and is detachably connected with the outer shell (2), and at least a part of the sealing assembly (5) is fixedly connected with the fixed frame (3).

2. A high containment laminar flow hood according to claim 1, wherein: The sealing assembly (5) comprises a sealing ring (9) and a fixing assembly (10), the sealing ring (9) is annularly fixedly connected to the fixed frame (3), the fixing assembly (10) is arranged below the sealing ring (9), a plurality of the fixing assemblies (10) are arranged, a plurality of penetrating cavities (11) are formed in the fixed frame (3), a plurality of containing cavities (12) are formed in the inner wall of the outer shell (2), each fixing assembly (10) is detachably connected with the containing cavity (12) through the penetrating cavity (11), and a rectangular penetrating groove (13) is formed in the bottom of the containing cavity (12).

3. A high containment laminar flow hood according to claim 2, wherein: The fixing assembly (10) comprises a fixing block (14) and a limiting block (15), a T-shaped penetrating groove (16) is formed in the fixing block (14), a limiting groove (17) is formed in the T-shaped penetrating groove (16), the limiting block (15) can be inserted into the limiting groove (17) from the bottom of the T-shaped penetrating groove (16), the limiting block (15) is composed of a cuboid (18), a cylinder (19) and a handle (20), and the cylinder (19) is fixedly connected between the cuboid (18) and the handle (20).

4. A high containment laminar flow hood according to claim 3, wherein: A T-shaped protrusion (21) is arranged in each penetrating cavity (11), and the T-shaped protrusion (21) can pass through the T-shaped penetrating groove (16).

5. A high containment laminar flow hood according to claim 4, wherein: A plurality of rectangular limiting holes are formed in the flow equalizing film (4), the rectangular limiting holes correspond to the fixing assemblies (10) one by one, during installation, the limiting block (15) passes through the rectangular limiting hole and is inserted into the fixing block (14) first.

6. A high containment laminar flow hood according to claim 1, wherein An air pressure gauge (22) is arranged on one side of the outer shell (2).

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